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# Parcel recalculation optimization

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* enhances workflow for parcel recalculation
This commit is contained in:
mpeltriaux 2024-10-26 10:17:09 +02:00
parent 7820dec3d1
commit f39d99b2fd
1 changed files with 9 additions and 6 deletions
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15
konova/management/commands/recalculate_parcels.py
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@ -34,7 +34,9 @@ class Command(BaseKonovaCommand):
def recalculate_parcels(self, options: dict):
force_all = options.get("force_all", False)
geometry_objects = Geometry.objects.all()
geometry_objects = Geometry.objects.all().exclude(
geom=None
)
if not force_all:
# Fetch all intersections
@ -46,16 +48,17 @@ class Command(BaseKonovaCommand):
"geometry__id",
flat=True
)
# Filter those geometries out (they have intersections and do not need to be processed)
geometry_objects = geometry_objects.exclude(
intersected_geom_objs = Geometry.objects.filter(
id__in=geom_with_intersection_ids
)
# Filter those geometries out (they have intersections and do not need to be processed)
geometry_objects = geometry_objects.difference(intersected_geom_objs)
self._write_warning("=== Update parcels and districts ===")
# Order geometries by size to process smaller once at first
geometries = geometry_objects.exclude(
geom=None
).annotate(area=Area("geom")).order_by(
geometries = geometry_objects.annotate(
area=Area("geom")
).order_by(
'area'
)
self._write_warning(f"Process parcels for {geometries.count()} geometry entries now ...")